booksn.帐目；书名词book的复数形式.bookn.书；本子v.预订；记录在案book numbers书号books return图书退货book luggage托运行李booking time通话挂号时间,通报挂号时间book of time历史书booking list预定单,订舱清单book copying多份复制book binding书籍装帧book loaning图书借阅book records帐面记录